Clear Thought
Provides systematic thinking tools including mental models, design patterns, debugging approaches, and collaborative reasoning frameworks to enhance problem-solving and decision-making capabilities.
What is Clear Thought?
Clear Thought is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to provides systematic thinking tools including mental models, design patterns, debugging approaches, and collaborative reasoning frameworks to enhance problem-solving and decision-making capabilities.
Provides systematic thinking tools including mental models, design patterns, debugging approaches, and collaborative reasoning frameworks to enhance problem-solving and decision-making capabilities.
This server falls under the Coding Agents category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- Provides systematic thinking tools including mental models,
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx clear-thought-mcp-serverConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use Clear Thought
Clear Thought MCP Server equips AI assistants with 11 categories of structured reasoning tools, covering mental models, debugging approaches, collaborative reasoning, decision frameworks, metacognitive monitoring, and scientific method. Rather than relying on a single response strategy, it lets Claude and other LLMs apply named, rigorous frameworks—such as first-principles thinking, binary-search debugging, or dialectical argumentation—to any problem. It is particularly useful for developers and analysts who want systematic, traceable reasoning rather than ad hoc AI responses.
Prerequisites
- Node.js 18.x or higher
- npm 9.x or higher
- An MCP-compatible client such as Claude Desktop, Cursor, or Claude Code
- Git for cloning the repository (no npm package published; install from source)
Clone the repository
Clone the Clear Thought MCP Server repository from GitHub to your local machine.
git clone https://github.com/chirag127/Clear-Thought-MCP-server.git
cd Clear-Thought-MCP-serverInstall dependencies
Install all Node.js dependencies required by the server.
npm installBuild the server
Compile the TypeScript source to JavaScript in the dist directory.
npm run buildStart the server
Start the MCP server in production mode. For development with automatic reload on source changes, use the dev script instead.
# Production:
npm start
# Development with auto-reload:
npm run devRegister with your MCP client
Add the server to your Claude Desktop or other MCP client configuration file, pointing to the compiled entry point.
# See configuration example belowClear Thought Examples
Client configuration
Claude Desktop configuration for the Clear Thought MCP server, running the compiled Node.js entry point directly.
{
"mcpServers": {
"clear-thought": {
"command": "node",
"args": ["/absolute/path/to/Clear-Thought-MCP-server/dist/index.js"]
}
}
}Prompts to try
Example prompts that invoke specific reasoning frameworks available through the Clear Thought MCP server.
- "Use first-principles thinking to analyze why our API response times are degrading under load."
- "Apply a divide-and-conquer debugging approach to find the root cause of this intermittent test failure."
- "Use collaborative reasoning with diverse expert personas to evaluate three architectural options for our microservices refactor."
- "Apply the decision framework to help me choose between PostgreSQL and MongoDB for this use case, weighting scalability and query flexibility."Troubleshooting Clear Thought
Server fails to start with 'Cannot find module' error
Ensure you ran 'npm run build' after cloning. The dist/ directory must exist before starting. If the error persists, delete node_modules and reinstall with 'npm install'.
Claude Desktop does not show Clear Thought tools
Verify the absolute path to dist/index.js in your claude_desktop_config.json is correct. Restart Claude Desktop after saving the config. Check that Node.js 18+ is the version found on PATH.
Tools return vague or unhelpful structured output
Provide more context in your prompt about the specific problem you want analyzed. Each tool category works best when you describe the problem domain—e.g., name the specific mental model or debugging approach you want applied.
Frequently Asked Questions about Clear Thought
What is Clear Thought?
Clear Thought is a Model Context Protocol (MCP) server that provides systematic thinking tools including mental models, design patterns, debugging approaches, and collaborative reasoning frameworks to enhance problem-solving and decision-making capabilities. It connects AI assistants to external tools and data sources through a standardized interface.
How do I install Clear Thought?
Follow the installation instructions on the Clear Thought GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with Clear Thought?
Clear Thought works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is Clear Thought free to use?
Yes, Clear Thought is open source and available under the MIT license. You can use it freely in both personal and commercial projects.
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Quick Config Preview
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